3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/a{1,3}b/U', 'ab', $matches)); var_dump($matches);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0150.00618.56
8.3.50.0150.00017.98
8.3.40.0070.00718.64
8.3.30.0120.00318.96
8.3.20.0000.00720.39
8.3.10.0040.00421.92
8.3.00.0080.00022.48
8.2.180.0130.00916.38
8.2.170.0070.00722.96
8.2.160.0070.00718.91
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0060.01226.16
8.2.120.0080.00019.36
8.2.110.0030.00622.20
8.2.100.0090.00619.57
8.2.90.0000.00819.10
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0080.00017.68
8.2.50.0040.00418.07
8.2.40.0000.00818.03
8.2.30.0000.00717.93
8.2.20.0070.00017.58
8.2.10.0000.00717.70
8.2.00.0030.00717.68
8.1.270.0060.00322.05
8.1.260.0080.00026.35
8.1.250.0070.01028.09
8.1.240.0050.00523.84
8.1.230.0060.00619.22
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0030.00517.38
8.1.180.0090.00018.61
8.1.170.0080.00018.37
8.1.160.0030.00522.14
8.1.150.0040.00418.56
8.1.140.0000.00817.46
8.1.130.0040.00717.76
8.1.120.0050.00317.47
8.1.110.0080.00017.48
8.1.100.0000.00717.45
8.1.90.0040.00417.37
8.1.80.0000.00717.52
8.1.70.0040.00417.40
8.1.60.0030.00517.56
8.1.50.0000.00717.55
8.1.40.0060.00317.57
8.1.30.0080.00017.54
8.1.20.0060.00317.71
8.1.10.0000.00817.59
8.1.00.0030.00617.48
8.0.300.0040.00418.77
8.0.290.0090.00017.05
8.0.280.0070.00018.24
8.0.270.0000.00717.01
8.0.260.0000.00616.78
8.0.250.0070.00016.90
8.0.240.0040.00716.86
8.0.230.0030.00316.98
8.0.220.0000.00716.90
8.0.210.0000.00716.92
8.0.200.0070.00017.00
8.0.190.0080.00016.93
8.0.180.0000.00716.94
8.0.170.0030.00516.82
8.0.160.0040.00417.00
8.0.150.0000.00716.77
8.0.140.0030.00616.73
8.0.130.0060.00013.39
8.0.120.0000.00916.83
8.0.110.0070.00016.96
8.0.100.0000.00716.87
8.0.90.0000.00716.73
8.0.80.0060.00916.95
8.0.70.0040.00416.79
8.0.60.0040.00416.95
8.0.50.0070.00016.69
8.0.30.0100.00916.99
8.0.20.0060.01217.40
8.0.10.0040.00417.13
8.0.00.0130.00916.72
7.4.330.0000.00515.00
7.4.320.0030.00316.60
7.4.300.0000.00616.59
7.4.290.0000.00716.46
7.4.280.0000.00716.56
7.4.270.0000.00716.66
7.4.260.0070.00016.63
7.4.250.0040.00416.57
7.4.240.0040.00316.51
7.4.230.0000.00716.71
7.4.220.0090.00816.44
7.4.210.0080.00716.70
7.4.200.0000.00716.38
7.4.190.0030.00516.71
7.4.160.0060.01216.60
7.4.150.0100.01017.40
7.4.140.0100.00817.86
7.4.130.0110.00916.39
7.4.120.0080.00816.50
7.4.110.0160.00616.40
7.4.100.0090.00916.51
7.4.90.0170.00016.47
7.4.80.0210.00019.39
7.4.70.0140.01016.58
7.4.60.0080.00816.61
7.4.50.0050.00316.28
7.4.40.0000.01422.77
7.4.30.0070.01016.39
7.4.00.0140.00315.02
7.3.330.0050.00013.07
7.3.320.0050.00013.06
7.3.310.0020.00516.29
7.3.300.0030.00416.23
7.3.290.0060.01016.33
7.3.280.0100.00916.28
7.3.270.0090.00617.40
7.3.260.0220.00016.47
7.3.250.0030.01716.42
7.3.240.0090.00916.29
7.3.230.0130.00316.47
7.3.210.0030.01316.31
7.3.200.0170.00016.49
7.3.190.0130.01016.39
7.3.180.0040.01416.21
7.3.170.0060.00916.32
7.3.160.0130.00316.54
7.3.120.0070.00714.86
7.3.10.0060.00916.52
7.3.00.0100.00316.82
7.2.330.0040.01316.49
7.2.320.0100.01616.39
7.2.310.0120.00516.80
7.2.300.0030.01316.53
7.2.290.0130.00316.70
7.2.130.0040.00816.92
7.2.120.0110.00416.80
7.2.110.0030.00617.03
7.2.100.0000.01616.63
7.2.90.0090.00617.04
7.2.80.0110.00416.64
7.2.70.0150.00016.54
7.2.60.0030.00916.68
7.2.50.0030.01016.73
7.2.40.0030.00717.11
7.2.30.0070.00716.95
7.2.20.0070.00716.86
7.2.10.0070.00716.66
7.2.00.0020.01018.29
7.1.250.0030.00915.87
7.1.100.0000.01118.11
7.1.70.0080.00317.27
7.1.60.0100.01419.82
7.1.50.0040.01917.13
7.1.00.0000.03722.28
7.0.200.0030.00616.77
7.0.140.0030.07321.92
7.0.60.0030.04319.93
7.0.50.0030.04317.85
7.0.40.0070.07320.00
7.0.30.0330.07320.18
7.0.20.0330.07319.98
7.0.10.0230.04720.01
7.0.00.0100.07020.17
5.6.280.0000.07721.11
5.6.210.0100.07720.49
5.6.200.0030.04018.21
5.6.190.0030.08320.64
5.6.180.3700.04720.64
5.6.170.0330.08020.54
5.6.160.0130.08020.33
5.6.150.0030.05018.21
5.6.140.0100.03718.18
5.6.130.0100.07718.22
5.6.120.0000.04321.03
5.6.110.0000.06320.88
5.6.100.0070.07021.08
5.6.90.0100.08321.12
5.6.80.0070.08020.39
5.5.350.0030.07020.37
5.5.340.0070.08017.90
5.5.330.0030.06320.37
5.5.320.0200.06320.41
5.5.310.0300.04720.16
5.5.300.0170.06317.91
5.5.290.0170.07717.98
5.5.280.0030.05720.72
5.5.270.0070.04020.83
5.5.260.0130.08020.79
5.5.250.0070.07720.69
5.5.240.0030.05320.14
5.4.450.0700.06019.27
5.4.440.0900.07019.51
5.4.430.0770.06319.41
5.4.420.0800.06019.45
5.4.410.0930.07019.45
5.4.400.0230.05718.74
5.4.390.0470.04718.71
5.4.380.0300.05018.74
5.4.370.0270.05018.66
5.4.360.0230.04318.65
5.4.350.0230.05718.52
5.4.340.0400.04718.66
5.4.320.0090.05912.45
5.4.310.0060.03912.45
5.4.300.0070.04312.45
5.4.290.0080.03912.45
5.4.280.0060.04312.34
5.4.270.0070.03612.35
5.4.260.0070.07018.78
5.4.250.0200.04718.94
5.4.240.0200.07018.65
5.4.230.0130.07318.73
5.4.220.0100.06018.66
5.4.210.0100.07318.84
5.4.200.0100.06018.75
5.4.190.0130.06718.86
5.4.180.0100.06318.65
5.4.170.0170.07318.77
5.4.160.0130.05319.01
5.4.150.0170.07318.87
5.4.140.0100.07316.27
5.4.130.0130.06716.23
5.4.120.0100.05016.41
5.4.110.0070.07716.42
5.4.100.0000.07316.39
5.4.90.0030.05716.20
5.4.80.0130.04016.44
5.4.70.0170.06016.47
5.4.60.0170.07016.22
5.4.50.0170.07716.21
5.4.40.0130.06316.52
5.4.30.0070.05316.37
5.4.20.0170.06016.36
5.4.10.0070.05016.20
5.4.00.0170.06015.71
5.3.290.0090.04012.80
5.3.280.0100.06014.29
5.3.270.0100.08314.61
5.3.260.0070.06014.62
5.3.250.0100.05014.47
5.3.240.0100.06714.44
5.3.230.0070.05314.45
5.3.220.0070.05314.56
5.3.210.0030.09014.71
5.3.200.0130.04314.66
5.3.190.0030.06014.65
5.3.180.0100.04714.26
5.3.170.0100.05014.44
5.3.160.0000.05314.56
5.3.150.0170.06714.43
5.3.140.0100.07014.55
5.3.130.0130.06714.40
5.3.120.0200.07014.55
5.3.110.0130.07314.38
5.3.100.0030.06714.04
5.3.90.0100.07013.88
5.3.80.0130.04713.85
5.3.70.0030.07014.03
5.3.60.0070.07013.86
5.3.50.0130.04313.80
5.3.40.0100.06713.97
5.3.30.0330.07713.75
5.3.20.0100.05313.54
5.3.10.0100.04713.55
5.3.00.0230.05013.33
5.2.170.0100.04011.04
5.2.160.0030.04310.90
5.2.150.0070.05311.23
5.2.140.0030.06010.97
5.2.130.0130.04011.09
5.2.120.0030.06011.01
5.2.110.0030.05311.09
5.2.100.0070.04311.12
5.2.90.0200.04311.11
5.2.80.0070.05310.98
5.2.70.0130.05011.19
5.2.60.0030.05011.06
5.2.50.0000.04311.13
5.2.40.0030.04011.11
5.2.30.0070.04010.99
5.2.20.0100.03310.96
5.2.10.0130.04710.93
5.2.00.0100.04010.63
5.1.60.0070.03310.08
5.1.50.0030.03710.14
5.1.40.0130.04310.21
5.1.30.0000.04310.48
5.1.20.0030.03710.26
5.1.10.0100.0409.97
5.1.00.0100.0479.98
5.0.50.0000.0438.60
5.0.40.0070.0378.29
5.0.30.0070.0408.36
5.0.20.0070.0238.23
5.0.10.0030.0278.13
5.0.00.0030.0438.30
4.4.90.0070.0177.45
4.4.80.0100.0137.45
4.4.70.0000.0237.45
4.4.60.0000.0237.45
4.4.50.0030.0377.45
4.4.40.0000.0407.45
4.4.30.0000.0337.45
4.4.20.0030.0207.45
4.4.10.0000.0277.45
4.4.00.0030.0437.45
4.3.110.0070.0277.45
4.3.100.0100.0177.45
4.3.90.0000.0207.45
4.3.80.0000.0337.45
4.3.70.0030.0237.45
4.3.60.0000.0237.45
4.3.50.0030.0277.45
4.3.40.0070.0277.45
4.3.30.0000.0237.45
4.3.20.0030.0237.45
4.3.10.0030.0237.45
4.3.00.0130.0236.86

preferences:
47.54 ms | 400 KiB | 5 Q